Home / 45,810.94-68,718.48-12,530.26

Finding the Fourth Proportional to 45,810.94, 68,718.48 and 12,530.26

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Solution

The fourth proportional to 45,810.94, 68,718.48 and 12,530.26 is: 18,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,810.94 : 68,718.48 = 12,530.26 : x
  2. Step 2: Convert to fraction form
    45,810.94/68,718.48 = 12,530.26/x
  3. Step 3: Cross multiply
    45,810.94x = 68,718.48 × 12,530.26
  4. Step 4: Simplify right side
    45,810.94x = 861,060,421.20
  5. Step 5: Solve for x
    x = 861,060,421.20/45,810.94
  6. Step 6: Final answer
    x = 18,795.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.